rectangle Struct Reference

#include <utils.h>

List of all members.

Public Member Functions
void	normalize ()
int	isIntersect (const rectangle &r2) const
int	isVerInter (const rectangle &r2) const
int	ivHorInter (const rectangle &r2) const
GBool	hitTest (const point &pt) const
GBool	hitTest (const int x, const int y) const
Public Attributes
int	left
int	top
int	right
int	bottom

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Detailed Description

Definition at line 49 of file utils.h.

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Member Function Documentation

void rectangle::normalize

(

)

Definition at line 62 of file utils.cpp.

{
    if (left > right) { swap(left, right);}
    if (top > bottom) { swap(top, bottom);}
}

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int rectangle::isIntersect

(

const rectangle &

r2

)

const

Definition at line 25 of file utils.cpp.

{
    if ((r2.left > right  || r2.right < left || 
         r2.top > bottom  || r2.bottom < top ))
    {
        return 0;
    }
    // calculate size
    int width  = min(right, r2.right) - max(left, r2.left);
    int height = min(bottom, r2.bottom) - max(top, r2.top);
    return width * height;
}

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int rectangle::isVerInter

(

const rectangle &

r2

)

const

Definition at line 40 of file utils.cpp.

{
    if (r2.top > bottom || r2.bottom < top)
    {
        return 0;
    }
    int height = min(bottom, r2.bottom) - max(top, r2.top);
    return height;
}

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int rectangle::ivHorInter

(

const rectangle &

r2

)

const

Definition at line 52 of file utils.cpp.

{
    if (r2.left > right || r2.right < left)
    {
        return 0;
    }
    int width = min(right, r2.right) - max(left, r2.left);
    return width;
}

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GBool rectangle::hitTest

(

const point &

pt

)

const

Definition at line 68 of file utils.cpp.

{
    return (left <= pt.x && right >= pt.x &&
            top <= pt.y && bottom >= pt.y);
}

GBool rectangle::hitTest	(	const int	x,
		const int	y
	)			const

Definition at line 74 of file utils.cpp.

{
    return (left <= x && right >= x &&
            top <= y && bottom >= y);
}

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Member Data Documentation

int rectangle::left

Definition at line 51 of file utils.h.

int rectangle::top

Definition at line 52 of file utils.h.

int rectangle::right

Definition at line 53 of file utils.h.

int rectangle::bottom

Definition at line 54 of file utils.h.

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The documentation for this struct was generated from the following files:

• ipdf-svn/inc/utils.h
• ipdf-svn/src/utils.cpp